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A309331 as a simple table

na(n)
00
11
21
32
45
59
616
732
861
9114
10219
11418
12792
131510
142878
155473
1610421
1719847
1837776
1971917
20136931
21260680
22496278
23944847
241798804
253424569
266519790
2712412480
2823631034
2944989208
3085651217
31163064109
32310444213
33591028898
341125210433

[0,1,1,2,5,9,16,32,61,114,219,418,792,1510,2878,
 5473,10421,19847,37776,71917,136931,260680,496278,
 944847,1798804,3424569,6519790,12412480,23631034,
 44989208,85651217,163064109,310444213,591028898,
 1125210433]